NOTE: Installation of the payloads into the orbiter's payload bay is
in work today. Also today, the space suits are being installed into
the orbiter's airlock. Functional checks are scheduled for tomorrow.
This weekend, workers will remove and replace the solid rocket
booster nozzle plugs from the SRBs at the pad. This is a pad clear
operation but is not expected to affect the target launch date.

NOTE: Installation of the Space Shuttle main engines and tests on the
Ku-band antenna continue today. The Microgravity Science Laboratory
will be installed into the payload bay on Friday. In the Vehicle
Assembly Building, the external tank will be mated with the solid
rocket boosters tomorrow.

NOTE: The Spacehab payload is being removed today. It will be
transported to the Space Station Processing Facility as preparations
are made for its reflight in May. Engineers have determined that
auxiliary power unit No. 3 should be removed and replaced due to
erratic chamber pressure readings after landing. This work is
scheduled to be conducted this weekend.

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